package com.ccpjcmjs.config;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.servlet.Filter;
import javax.servlet.ServletRegistration;
import javax.sql.DataSource;
import java.util.HashMap;

@Configuration
public class DruidConfig {

    @Bean
    @ConfigurationProperties(prefix = "spring.datasource")
    public DataSource druidDataSource(){
        return new DruidDataSource();
    }

    //后台监控 (web.xml)
    @Bean
    public ServletRegistrationBean statViewServlet(){
        ServletRegistrationBean<StatViewServlet> bean = new ServletRegistrationBean<>(new StatViewServlet(), "/druid/*");

        //后台须要有人登录，账号密码配置
        HashMap<String, String> initParameters = new HashMap<>();
        //增肌配置
        initParameters.put("loginUsername","admin");  //登录配置 固定的
        initParameters.put("loginPassword","123456"); //loginUsername loginPassword

        //允许谁能访问
        initParameters.put("allow","");
        //禁止谁能访问
        initParameters.put("qinqin","192.168.11.123");

        bean.setInitParameters(initParameters);  //设置初始化参数
        return bean;
    }

    //filter
    @Bean
    public FilterRegistrationBean webStatFilter(){
        FilterRegistrationBean<Filter> bean = new FilterRegistrationBean<>();

        bean.setFilter(new WebStatFilter());

        //可以过滤哪些请求
        HashMap<String, String> initParameters = new HashMap<>();

        //这些东西不进行统计
        initParameters.put("exclusions","*.js,*.css,/druid/*");

        bean.setInitParameters(initParameters);
        return bean;
    }


}
